Re: Babel, Python and UTF-8

From: "Sébastien Vauban" <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org>
To: emacs-orgmode-mXXj517/zsQ@public.gmane.org
Subject: Re: Babel, Python and UTF-8
Date: Thu, 02 Dec 2010 10:11:52 +0100	[thread overview]
Message-ID: <80bp54a693.fsf@missioncriticalit.com> (raw)
In-Reply-To: m2y689klbe.fsf@ens-lyon.fr

Hi Vincent and Eric,

Vincent Beffara wrote:
>> I would suggest just trying it out first and seeing if you get an error
>> without such a line.
>
> Well, I do, that's why I'm asking ;-)
>
>> Also, you could try adding the line to the beginning of your code
>> block.
>
> I tried like this :
>
> #+begin_src python
> # -*- coding: utf-8 -*-
> s = "é"
> #+end_src

I'm not sure to understand your problem. In fact, the problem is not about
"inserting a prefix to the block", it's about the coding system itself, I
guess.

Your "é" in your Org buffer, how is it encoded?  Is your Org buffer an UTF-8
one, or a Latin-1?

In the first case, I don't see why:

- it would fail
- it would even need to be specified

In the second, you want an ISO Latin 1 block of text to be tangled or executed
as UTF-8. Is this right?

> The error message tells me that the error happens on line 4, hence the
> coding line ends up on line 3, and python only takes it into account if
> it is one of the first two ... so it almost works, but it doesn't.
>
>> If there is definitely a problem please reply to this thread and we
>> could easily add a header argument for this case, possibly named
>> ":prefix" which could be used to specify such a code-block-prefix for
>> code evaluation.  This header argument could then be set globally or on
>> the file, heading, or code block level.

Isn't such a prefix already available through the "shebang" option: can't it
be multiline?  Anyway, I don't think it's the problem here...

Best regards,
  Seb

-- 
Sébastien Vauban

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